[ci] Update build to use OpenWrt 23.05, Ubuntu 22, Python 3.10

[nemesifier]

Also show verbose output if compilation fails.

[github-actions]

sh-checker report

To get the full details, please check in the job output.

shellcheck errors

'shellcheck ' found no issues.

shfmt errors

'shfmt ' returned error 1 finding the following formatting issues:

----------
--- runbuild.orig
+++ runbuild
@@ -51,8 +51,8 @@
 	make -j"$CORES" toolchain/install
 fi
 
-make -j"$CORES" package/openwisp-monitoring/compile || \
-	make -j1 V=s package/openwisp-monitoring/compile || exit 1
+make -j"$CORES" package/openwisp-monitoring/compile \
+	|| make -j1 V=s package/openwisp-monitoring/compile || exit 1
 
 mv "$BUILD_DIR/openwrt/bin/packages/$COMPILE_TARGET/openwisp_monitoring" "$VERSIONED_DIR"
 
----------

You can reformat the above files to meet shfmt's requirements by typing:

  shfmt  -w filename

[coveralls]

Pull Request Test Coverage Report for Build 9024884990

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.72%

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Totals
Change from base Build 9023942318:	0.0%
Covered Lines:	3206
Relevant Lines:	3215

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💛 - Coveralls