ci: add retry to mamba invocations #3081

Job	Run time
Source	13s
Java 11	1m 3s
Go ubuntu-latest	1m 42s
Linux almalinux-8	7m 26s
Documentation	11m 27s
Linux almalinux-9	7m 35s
Go windows-latest	4m 1s
Go macos-13	3m 7s
Python ${{ matrix.arch }} Conda	0s
Linux debian-bookworm	6m 59s
Linux ubuntu-jammy	7m 46s
Python ${{ matrix.arch }} Conda	0s
Linux ubuntu-noble	7m 44s
Python amd64 manylinux	11m 37s
Python amd64 macOS	23m 50s
Python arm64v8 manylinux	10m 24s
Python arm64v8 macOS	9m 40s
Python sdist	7m 3s
Python 3.9 Windows	15m 13s
Python 3.10 Windows	14m 54s
Python 3.11 Windows	51s
Python 3.12 Windows	15m 39s
Python 3.13 Windows	14m 45s
Upload packages to Anaconda.org	0s
C#/.NET	54s
Create release	0s
Upload packages to Gemfury	0s
	3h 3m 53s

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