This update includes the following commits:
415788df2 Merge branch 'stable-5.9'
5d925ecbb Fix stamping to produce stable file timestamps
ff0590812 PackDirectory: fix formatting
a84a2d22a Split out packfile handling from ObjectDirectory
e3ac56e2d TagCommand: propagate NO_CHANGE information
29e127076 TagCommand: make -f work with lightweight tags for NO_CHANGE
dc8a927ce Merge branch 'stable-5.10'
1363b1acf Prepare 5.10.1-SNAPSHOT builds
4262a68f5 JGit v5.10.0.202012080955-r
41b915979 TagCommand: support signing annotated tags
5abd8a4fe Enable GpgSigner to also sign tags
99d612db2 Merge branch 'stable-5.10'
ad7806f4e Prepare 5.10.0-SNAPSHOT builds
13b866a6f JGit v5.10.0.202012021225-rc1
4380921d6 Don't install 3rd party dependency bundles via features
9034c7d42 Prepare 5.11.0-SNAPSHOT builds
485e4f9cf Merge branch 'master' into stable-5.10
205ee010f Merge branch 'stable-5.9'
0a991fad5 Upgrade maven-pmd-plugin to 3.14.0
a68f24124 Update Orbit to R20201130205003 for 2020-12
85ac3c599 Use new protocol version constants
180dfdefa Merge branch 'stable-5.9'
c053b510b PacketLineInTest: test for END and DELIM being distinguishable
4f30dc5eb Ignore missing javadoc tags in test bundles
96411d1ab Bazel: Allow to build and run the tests with JDK 15
6b299d61a [releng] japicmp: update last release version
4f2065d14 Merge branch 'stable-5.10'
d4fe93f55 Merge branch 'stable-5.9' into stable-5.10
9ebbfe93b Add support for reading symrefs from pack capabilities
dfa29458e Merge branch 'stable-5.10'
63f16c53c Prepare 5.10.0-SNAPSHOT builds
2486be270 JGit v5.10.0.202011251205-m3
7eec48c44 Merge branch 'master' into stable-5.10
b8441e1e3 Update Orbit to S20201118210000 and add target for 4.18
3f3afd871 Merge branch 'stable-5.9'
7da0f0a8f PacketLineIn: ensure that END != DELIM
e84881ea6 Allow to resolve a conflict by checking out a file
ff6a827f4 Update Orbit to I20201111205634
f39f848c9 Document that setLastModified sets time of symlink target
4f3161d3c Fix bug in PerformanceLogContext
d76088bca Fix IOException occurring during gc
2993b2fea Prepare 5.10.0-SNAPSHOT builds
6c17f3d23 JGit v5.10.0.202011041322-m2
d69fb4d4a Revert "Client-side protocol V2 support for fetching"
5dcc46591 Close Repository to fix tests failing on Windows
f802f06e7 Client-side protocol V2 support for fetching
679977c93 Update slf4j to 1.7.30
f0a4baec4 Update Orbit to S20201027182932 (2020-12 M2)
824a3c696 Fix formatting of config option values
bd5942a20 Document options in core section supported by JGit
f4b4dae2b Ensure .gitmodules is loaded when accessing submodule name
8269587f4 Export new package org.eclipse.jgit.logging and import it where used
e23bdf1c7 Ensure GC.deleteOrphans() can delete read-only orphaned files on Windows
dd593205a Merge "Add new performance logging"
a09e20517 Add new performance logging
de914b7ca Merge "Compute time differences with Duration"
88e924e86 Merge "Implement git describe --all"
276fcb2a1 Implement git describe --all
a0d3680f4 Compute time differences with Duration
f37aa182e Override config http.userAgent from environment GIT_HTTP_USER_AGENT
b0b325019 Upgrade spotbugs-maven-plugin to 4.1.3
f3bb71206 Fix OperatorPrecedence warning flagged by error prone
dcc6c8a26 UploadPackTest#testUploadRedundantBytes: ensure test repo is closed
7fbc0e02a ObjectDirectory#selectObjectRepresentation: fix formatting
8887a6779 Upgrade ecj to 3.23.0
2171f868d Support "http.userAgent" and "http.extraHeader" from the git config
3459239df sshd: better error report when user cancels authentication
e21d7b2d3 API filters for PackStatistics.Accumulator
6f41458d8 Add TypedConfigGetter.getPath()
597a6bc7e Make Javadoc consistent for PackStatistics fields
3c5e159ea Measure time taken for reachability checks
be403859c Merge "Measure time taken for negotiation in protocol V2"
c3458a6e0 Measure time taken for negotiation in protocol V2
cb553e358 IndexDiffFilter: handle path prefixes correctly
566e49d7d sshd: support the ProxyJump ssh config
020dc586a Upgrade jacoco-maven-plugin to 0.8.6
292919b12 Merge "ReceivePackStats: Add size and count of unnecessary pushed objects"
58e991b5d ReceivePackStats: Add size and count of unnecessary pushed objects
8cd49885b Merge branch 'stable-5.9' into master
aabd3d5ed Upgrade maven-project-info-reports-plugin to 3.1.1
Change-Id: Ie31ff60703626a34adabca43ae72b20fe3a21c1e