VERISON: bump to 2.7.3

Signed-off-by: Matthew John Cheetham <mjcheetham@outlook.com>

Release 2.7.2 (#2267)

**Changes:**

- #2256
- #2258
- #2257

Release 2.7.1 (#2260)

**Changes:**

- Release pipeline fixes (#2239, #2241, #2248)
- Linux enterprise defaults (#1814, #2259)

GCM 2.7.0 (#2238)

**Changes:**


- Documentation updates & fixes
  - #1713
  - #1722
  - #1884
  - #2123
  - #2154
- Fix Generic provider refresh token refresh logic (#1838)
- Version bump to 2.7.0 (#2177)
- CODEOWNERS (#2053)
- Allow unsafe remotes via config (#1721)
- Drop no longer needed GitLab OAuth params (#1538)
- No-op credential storage option (#1740)
- Fixes to CI & build
  - #1746
  - #1747
  - #1752
  - #2104
  - #2217
- Use Azure Pipelines for official builds
  - #2054
  - #2176
- Fix TRACE2 logging (#1909)
- Linux ARM and ARM64 support
  - #1633
  - #2232
- Windows ARM64 and x64 support (#2230)
- Linux install-from-source bug fixes
  - #1757
  - #2049
  - #2052
- Support Oracle Linux vis install-from-source (#2212)
- macOS enterprise defaults (#1811)
- Actions dependency updates
  - #1725
  - #1751
  - #1750
  - #1760
  - #1799
  - #2022
  - #2048
  - #1989
  - #2011
  - #2029
  - #2051
  - #2050
  - #2070
  - #2080
  - #2089
  - #2088
  - #2092
  - #2189
  - #2193

VERSION: bump to 2.6.1

Release GCM 2.6 (#1712)

**Changes:**

- Drop no longer needed workflows (#1659)
- Documentation fixes (#1664, #1697)
- Configurable GPG store path via Git config (#1698)
- Fix Visual Studio build problems and update dependencies (#1711)
- Support sending X5C with certificate auth (#1666)

release: fix signing in release workflow (#1649)

Fix the `dotnet tool install` command for code signing in the release
workflow.

D'oh!

Release GCM 2.5.0 (1) (#1593)

**Changes:**

- Update MSAL and Avalonia (#1591)
- Fix issue with diagnostic messages (#1590)
- Address CVE-2024-32478 (this issue only affected the Linux Debian
package)

Create release for GCM 2.4.1 (#1459)

**Changes:**

_Since 2.4.0:_

- Fix macOS ARM64 tarball contents (#1458)

_Since 2.3.x:_

- Add support for managed identity and service principals in Azure Repos
(#1372)
- Support universal Gitea OAuth app configuration (#1442)
- Set default generic OAuth redirect URI value (#1444)
- Drop WPF helpers on Windows (#1417)
- Add software rendering override for Windows (#1445, #1453)
- Recognise GitLab hosts via WWW-Authenticate header (#1428)
- Recognise Bitbucket hosts via WWW-Authenticate header (#1441)
- Support GitHub Gist remote URLs (#1402)
- Update to Avalonia 11.x (#1383)
- Documentation updates (#1416)
- Drop unnecessary .NET Framework-specific code (#1447)
- Updates to release process (#1386, #1381)
- Update code signing certificates (#1431)

Create release for GCM 2.4.0 (#1457)

**Changes:**

- Add support for managed identity and service principals in Azure Repos
(#1372)
- Support universal Gitea OAuth app configuration (#1442)
- Set default generic OAuth redirect URI value (#1444)
- Drop WPF helpers on Windows (#1417)
- Add software rendering override for Windows (#1445, #1453)
- Recognise GitLab hosts via WWW-Authenticate header (#1428)
- Recognise Bitbucket hosts via WWW-Authenticate header (#1441)
- Support GitHub Gist remote URLs (#1402)
- Update to Avalonia 11.x (#1383)
- Documentation updates (#1416)
- Drop unnecessary .NET Framework-specific code (#1447)
- Updates to release process (#1386, #1381)
- Update code signing certificates (#1431)