dependabot: bump flate2 from 1.0.30 to 1.0.31 #1239

Job	Run time
build 1.72.1 on ubuntu-latest	4m 49s
build 1.76.0 on ubuntu-latest	5m 21s
build 1.78.0 on ubuntu-latest	4m 59s
build 1.79.0 on ubuntu-latest	4m 49s
build 1.72.1 on macos-latest	1s
build 1.76.0 on macos-latest	1s
build 1.78.0 on macos-latest	1s
build 1.79.0 on macos-latest	1s
build 1.72.1 on windows-latest	6m 45s
build 1.76.0 on windows-latest	6m 11s
build 1.78.0 on windows-latest	6m 45s
build 1.79.0 on windows-latest	6m 32s
build debug and release, upload	0s
check	0s
cross ${{ matrix.target }} on ubuntu-22.04	0s
bench	0s
clippy	0s
test linux	0s
test Windows	0s
codecov validate	0s
doc, publish	0s
flamegraph	0s
markup link checker	0s
test Mac OS	0s
yamllint	0s
run s4	0s
cross ${{ matrix.target }} on macos-13	0s
cross ${{ matrix.target }} on windows	0s
llvm-cov	0s
	46m 15s

Provide feedback