Bump exponential-backoff from 1.2.0 to 2.0.0 #862

Job	Run time
Rust Code Linting	32s
Unit Tests	46s
Integration Tests (buildpacks/gradle, builder:24, amd64)	3m 22s
Integration Tests (buildpacks/jvm, builder:24, amd64)	1m 44s
Integration Tests (buildpacks/maven, builder:24, amd64)	3m 23s
Integration Tests (buildpacks/sbt, builder:24, amd64)	5m 5s
Integration Tests (buildpacks/gradle, builder:24, arm64)	3m 54s
Integration Tests (buildpacks/jvm, builder:24, arm64)	1m 53s
Integration Tests (buildpacks/maven, builder:24, arm64)	2m 29s
Integration Tests (buildpacks/sbt, builder:24, arm64)	4m 40s
Integration Tests (buildpacks/gradle, builder:22, amd64)	3m 23s
Integration Tests (buildpacks/jvm, builder:22, amd64)	1m 27s
Integration Tests (buildpacks/jvm-function-invoker, builder:22, amd64)	2m 18s
Integration Tests (buildpacks/maven, builder:22, amd64)	3m 47s
Integration Tests (buildpacks/sbt, builder:22, amd64)	5m 12s
Integration Tests (buildpacks/gradle, builder:20, amd64)	2m 40s
Integration Tests (buildpacks/jvm, builder:20, amd64)	1m 24s
Integration Tests (buildpacks/maven, builder:20, amd64)	2m 50s
Integration Tests (buildpacks/sbt, builder:20, amd64)	4m 51s
	55m 40s

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