Bump actions/cache from 4 to 5 #1484

Job	Run time
Smoke test language server (Elixir 1.19.x \| OTP 28.x)	3m 25s
Static analysis	24s
Smoke test language server (Elixir 1.16.x \| OTP 26.x)	3m 15s
Smoke test debug adapter (Elixir 1.17.x \| OTP 27.x)	1m 28s
Smoke test debug adapter (Elixir 1.15.x \| OTP 26.x)	1m 33s
Smoke test language server (Elixir 1.17.x \| OTP 27.x)	3m 9s
Smoke test language server (Elixir 1.15.x \| OTP 26.x)	3m 3s
Smoke test language server (Elixir 1.18.x \| OTP 27.x)	3m 10s
Smoke test debug adapter (Elixir 1.18.x \| OTP 27.x)	1m 30s
Smoke test debug adapter (Elixir 1.19.x \| OTP 28.x)	1m 27s
Smoke test debug adapter (Elixir 1.16.x \| OTP 26.x)	1m 25s
Compatibility test (Elixir 1.18.x \| OTP 25.x \| windows-2022)	5m 28s
Compatibility test (Elixir 1.15.x \| OTP 24.x \| ubuntu-22.04)	4m 16s
Compatibility test (Elixir 1.16.x \| OTP 24.x \| ubuntu-22.04)	4m 19s
Compatibility test (Elixir 1.17.x \| OTP 25.x \| ubuntu-22.04)	3m 41s
Compatibility test (Elixir 1.16.x \| OTP 24.x \| windows-2022)	5m 41s
Compatibility test (Elixir 1.19.x \| OTP 26.x \| windows-2022)	5m 39s
Compatibility test (Elixir 1.18.x \| OTP 25.x \| ubuntu-22.04)	4m 0s
Compatibility test (Elixir 1.19.x \| OTP 26.x \| ubuntu-22.04)	4m 10s
Compatibility test (Elixir 1.17.x \| OTP 25.x \| windows-2022)	5m 16s
Compatibility test (Elixir 1.15.x \| OTP 24.x \| windows-2022)	5m 43s
Compatibility test (Elixir 1.19.x \| OTP 28.x \| windows-2022)	6m 25s
	1h 18m 27s

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