Bump spire Helm Chart version from 0.8.1 to 0.9.0

[marcofranssen]

Please review the below changelog to ensure this matches up with the semantic version being applied.

Note: Maintainers ensure to run following after merging this PR to trigger the release workflow:

git checkout main
git pull
git checkout release
git pull
git merge main
git push

Changes in this release

• 57a9320 Add SPIRE 1.7.0 to main readme (Add SPIRE 1.7.0 to main readme #357)
• af36f7c Align the bash image version with other instances for spire-agent (Align the bash image version with other instances for spire-agent #356)
• c11a8c0 Implement pre-delete hook for graceful delete of spiffe-oidc-discovery-provider (Implement pre-delete hook for graceful delete of spiffe-oidc-discovery-provider #353)
• a6dcf26 Allow for SPIRE Agent to run as non root user (Allow for SPIRE Agent to run as non root user #209)
• 9cf6049 Allow contributors to run linting easily on local
• e88f7f6 Add configmap annotation to spire-bundle configmap (Add configmap annotation to spire-bundle configmap #351)
• 020bde8 Add support to create a issuer and CA via cert-manager (Add support to create a issuer and CA via cert-manager #342)
• 9d504de Ignore .DS_Store files
• e6b608c Bump spire images to 1.7.0 (Bump spire images to 1.7.0 #348)
• c97a788 Fix bundle role/rolebinding naming conflict (Fix bundle role/rolebinding naming conflict #333)
• b66077e Bump peter-evans/create-pull-request from 5.0.1 to 5.0.2 (Bump peter-evans/create-pull-request from 5.0.1 to 5.0.2 #349)
• d0da864 Add missing metadata to subcharts (Add missing metadata to subcharts #347)
• 4c0a1d5 Allow overriding test images (Allow overriding test images #186)
• 250fd5d Add missing global values to charts (Add missing global values to charts #311)
• 5d8c907 Dropping k8s versions in CI older than 3, as per readme (Dropping k8s versions in CI older than 3, as per readme #344)
• 8748933 Update upstream-ca-secret.yaml (Update upstream-ca-secret.yaml #341)
• 4e07450 Fix ingress annotations for federation (Fix ingress annotations for federation #337)
• ea09199 Bump actions/checkout from 3.5.0 to 3.5.3
• 87fe198 Merge pull request Initial submission of Helm Chart key naming conventions. #331 from edwbuck/key_conventions
• ddc0166 Fix line wrapping.
• 0cae9ce Update project/conventions.md
• 52e5c24 Upgrade Tornjak to image v1.2.2 (Upgrade Tornjak to image v1.2.2 #328)
• 28e2abf Choose a different example for dotted Acronyms.
• d60d68c Added accidentally clipped explicit name guidelines.
• f6a7b62 Update project/conventions.md
• cfa9f78 Bump test chart dependencies (Bump test chart dependencies #332)
• c3213ab Initial submission of Helm Chart key naming conventions.
• 28c0824 Bump test chart dependencies (Bump test chart dependencies #322)
• d333154 Add Makefile for local testing (Add Makefile for local testing #327)
• 9fa1ec2 Improve Tornjak backend test (Improve Tornjak backend test #321)
• 5b779dc Improve Tornjak frontend test (Improve Tornjak frontend test #320)

[kfox1111]

LGTM