Update dependency dulwich to v0.22.6 #1512

Job	Run time
Checks syntax of our code	1m 34s
Checks syntax of our code	1m 34s
Builds new NetBox Docker Images (./build-latest.sh, ubuntu-latest)	21m 2s
Builds new NetBox Docker Images (./build-latest.sh, ubuntu-latest)	21m 2s
Builds new NetBox Docker Images (./build-latest.sh, self-hosted)	33m 29s
Builds new NetBox Docker Images (./build-latest.sh, self-hosted)	33m 29s
Builds new NetBox Docker Images (PRERELEASE=true ./build-latest.sh, ubuntu-latest)	7s
Builds new NetBox Docker Images (PRERELEASE=true ./build-latest.sh, ubuntu-latest)	7s
Builds new NetBox Docker Images (PRERELEASE=true ./build-latest.sh, self-hosted)	13s
Builds new NetBox Docker Images (PRERELEASE=true ./build-latest.sh, self-hosted)	13s
Builds new NetBox Docker Images (./build.sh feature, ubuntu-latest)	21m 30s
Builds new NetBox Docker Images (./build.sh feature, ubuntu-latest)	21m 30s
Builds new NetBox Docker Images (./build.sh feature, self-hosted)	35m 29s
Builds new NetBox Docker Images (./build.sh feature, self-hosted)	35m 29s
Builds new NetBox Docker Images (./build.sh develop, ubuntu-latest)	18m 43s
Builds new NetBox Docker Images (./build.sh develop, ubuntu-latest)	18m 1s
Builds new NetBox Docker Images (./build.sh develop, self-hosted)	33m 54s
Builds new NetBox Docker Images (./build.sh develop, self-hosted)	34m 13s
	5h 31m 39s

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