Add setters on `DidDocument`, remove `DidDocumentBuilder` #7416

Job	Run time
verify-code-formatting	29s
aries_vcx_core_clippy (credx,vdrtools_wallet)	1m 32s
workflow-setup	22s
aries_vcx_core_clippy (vdr_proxy_ledger,askar_wallet)	1m 56s
aries_vcx_clippy (credx,vdrtools_wallet)	2m 12s
workspace_clippy (vdrtools_wallet)	3m 18s
aries_vcx_clippy (vdr_proxy_ledger)	2m 25s
workspace_clippy (askar_wallet)	3m 16s
test-compatibility-aries-vcx-core	52s
code-coverage-aries-vcx-integration-modular-libs	2m 27s
build-docker-vdrproxy	4s
test-integration-aries-vcx (vdrtools_wallet,credx)	5m 45s
test-integration-aries-vcx (askar_wallet,credx)	6m 51s
test-integration-aries-vcx-anoncreds-rs	3m 40s
test-integration-aries-vcx-mysql	2m 23s
test-integration-did-crate	1m 33s
test-intergation-aries-vcx-core (vdrtools_wallet)	1m 31s
test-unit-workspace	1m 46s
test-intergation-aries-vcx-core (askar_wallet)	45s
test-wallet-migrator	58s
workflow-setup-check	1s
test-integration-aries-vcx-vdrproxy	10m 55s
publish-docker-vdrproxy	3s
make-release	0s
	55m 4s

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