Bump minimum go version to v1.22 #1060

Job	Run time
Build ebpf_exporter in Docker (x86_64, built-in libbpf)	1m 27s
Build ebpf_exporter in Docker (aarch64, emulated, built-in libbpf)	13m 11s
Build ebpf_exporter (x86_64, dynamically linked, built-in libbpf)	22s
Build ebpf_exporter (x86_64, statically linked, built-in libbpf)	43s
Build examples (x86_64, built-in libbpf)	37s
Build libbpf in Docker (aarch64, emulated)	3m 35s
Build libbpf in Docker (x86_64)	28s
Build tracing demos (x86_64)	1m 0s
Run clang-format check	12s
Lint ebpf_exporter (x86_64, built-in libbpf)	1m 6s
Run markdown-links-check	15s
Test ebpf_exporter (x86_64, built-in libbpf)	1m 30s
Run jsonschema checks	8s
Publish Docker images (x86_64, aarch64)	14m 7s
Test ebpf_exporter (x86_64, system libbpf)	50s
Build ebpf_exporter (x86_64, statically linked, system libbpf)	27s
Build ebpf_exporter (x86_64, dynamically linked, system libbpf)	25s
Build examples (x86_64, system libbpf)	33s
Check examples	12s
Release archive	16s
	41m 24s

Provide feedback