build(deps): bump fluent/fluent-bit from 3.0.7 to 3.1.0 in /sidecar/fluentbit #1327

Job	Run time
Build otelcol sidecar	3m 41s
Build tailing sidecar operator	1m 32s
Test Helm chart (fluentbit)	3m 26s
Test Helm chart (otelcol)	6m 4s
markdownlint	32s
Test Helm chart with cert-manager (fluentbit)	4m 5s
Test Helm chart with cert-manager (otelcol)	6m 42s
Test Helm chart with custom configuration (fluentbit)	4m 55s
Test Helm chart with custom configuration (otelcol)	7m 27s
Test resources created without Helm chart (fluentbit)	4m 3s
yamllint	7s
Test resources created without Helm chart (otelcol)	6m 25s
	48m 59s

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