Fail to access Bitbucket

Jenkins and plugins versions report

Environment

```text Jenkins: 2.426.2 OS: Linux - 5.15.0-1051-aws Java: 17.0.9 - Eclipse Adoptium (OpenJDK 64-Bit Server VM) --- apache-httpcomponents-client-4-api:4.5.14-208.v438351942757 authentication-tokens:1.53.v1c90fd9191a_b_ bouncycastle-api:2.30.1.77-225.v26ea_c9455fd9 branch-api:2.1135.v8de8e7899051 caffeine-api:3.1.8-133.v17b_1ff2e0599 cloudbees-bitbucket-branch-source:856.v04c46c86f911 cloudbees-folder:6.858.v898218f3609d credentials:1311.vcf0a_900b_37c2 credentials-binding:642.v737c34dea_6c2 display-url-api:2.200.vb_9327d658781 durable-task:523.va_a_22cf15d5e0 git:5.2.1 git-client:4.6.0 gson-api:2.10.1-3.vb_25b_599b_e4f8 handy-uri-templates-2-api:2.1.8-30.v7e777411b_148 instance-identity:185.v303dc7c645f9 ionicons-api:56.v1b_1c8c49374e jackson2-api:2.15.3-372.v309620682326 jakarta-activation-api:2.0.1-3 jakarta-mail-api:2.0.1-3 javax-activation-api:1.2.0-6 javax-mail-api:1.6.2-9 jaxb:2.3.9-1 joda-time-api:2.12.5-5.v5495a_235fedf mailer:463.vedf8358e006b_ mina-sshd-api-common:2.11.0-86.v836f585d47fa_ mina-sshd-api-core:2.11.0-86.v836f585d47fa_ pipeline-build-step:540.vb_e8849e1a_b_d8 pipeline-groovy-lib:689.veec561a_dee13 pipeline-input-step:477.v339683a_8d55e pipeline-milestone-step:111.v449306f708b_7 pipeline-model-api:2.2151.ve32c9d209a_3f pipeline-model-definition:2.2151.ve32c9d209a_3f pipeline-model-extensions:2.2151.ve32c9d209a_3f pipeline-stage-step:305.ve96d0205c1c6 pipeline-stage-tags-metadata:2.2151.ve32c9d209a_3f plain-credentials:143.v1b_df8b_d3b_e48 scm-api:683.vb_16722fb_b_80b_ script-security:1294.v99333c047434 snakeyaml-api:2.2-111.vc6598e30cc65 ssh-credentials:308.ve4497b_ccd8f4 structs:325.vcb_307d2a_2782 trilead-api:2.133.vfb_8a_7b_9c5dd1 variant:60.v7290fc0eb_b_cd workflow-aggregator:596.v8c21c963d92d workflow-api:1283.v99c10937efcb_ workflow-basic-steps:1042.ve7b_140c4a_e0c workflow-cps:3826.v3b_5707fe44da_ workflow-durable-task-step:1313.vcb_970b_d2a_fb_3 workflow-job:1385.vb_58b_86ea_fff1 workflow-multibranch:756.v891d88f2cd46 workflow-scm-step:415.v434365564324 workflow-step-api:639.v6eca_cd8c04a_a_ workflow-support:865.v43e78cc44e0d ```

What Operating System are you using (both controller, and any agents involved in the problem)?

Ubuntu 20.04

Reproduction steps

Freshly installed Jenkins LTS (container version)
Only installed Pipeline plugin
Installed Bitbucket Branch source plugin
Created an App-Password on Bitbucket.org. Granted "repo READ, PR READ, webhooks R/W"
Added as username (not email) / password on Jenkins
Created a multi-branch pipeline on Jenkins
Chose the crediential, entered "project key" as "owner" on Jenkins

Expected Results

List out repository names? (I have never seen the successful result)

Actual Results

Started by user [dummyuser](https://jenkins.mydomain.com/user/dummyuser)
[Wed Dec 20 10:06:50 HKT 2023] Starting branch indexing...
ERROR: [Wed Dec 20 10:06:50 HKT 2023] Could not update folder level actions from source 20969e95-fc09-4388-9de7-35bb51e04d2f
[Wed Dec 20 10:06:50 HKT 2023] Finished branch indexing. Indexing took 0.72 sec
FATAL: Failed to recompute children of DummyProject
java.io.FileNotFoundException: URL: https://api.bitbucket.org/2.0/repositories/DUMMYPROJECTKEY/
    at com.cloudbees.jenkins.plugins.bitbucket.client.BitbucketCloudApiClient.getRequestAsInputStream(BitbucketCloudApiClient.java:947)
    at com.cloudbees.jenkins.plugins.bitbucket.client.BitbucketCloudApiClient.getRequest(BitbucketCloudApiClient.java:967)
    at com.cloudbees.jenkins.plugins.bitbucket.client.BitbucketCloudApiClient.getRepository(BitbucketCloudApiClient.java:391)
    at com.cloudbees.jenkins.plugins.bitbucket.BitbucketSCMSource.retrieveActions(BitbucketSCMSource.java:1107)
    at jenkins.scm.api.SCMSource.fetchActions(SCMSource.java:847)
    at jenkins.branch.MultiBranchProject.computeChildren(MultiBranchProject.java:611)
    at com.cloudbees.hudson.plugins.folder.computed.ComputedFolder.updateChildren(ComputedFolder.java:269)
    at com.cloudbees.hudson.plugins.folder.computed.FolderComputation.run(FolderComputation.java:167)
    at jenkins.branch.MultiBranchProject$BranchIndexing.run(MultiBranchProject.java:1057)
    at hudson.model.ResourceController.execute(ResourceController.java:101)
    at hudson.model.Executor.run(Executor.java:442)
Finished: FAILURE

Anything else?

Tried using OAuth; Tried without specifying "owner"; All did not work

Are you interested in contributing a fix?

No response

jenkinsci / bitbucket-branch-source-plugin