maint: Permit updates of indirect dependencies (#184)

## Which problem is this PR solving?

The `opentelemetry-sdk` version requirement is overly strict. This is
preventing me from using a different dependency that specifies
`openetelemetry-sdk = "^1.23.0"`.

## Short description of the changes

Use `^` to specify that SemVer-compatible updates to `opentelemetry-sdk`
packages are permitted. Update the `opentelemetry-instrumentation` to use `~`.

## How to verify that this has the expected result

Import this package together with `opentelemetry-sdk = "1.23.0"`.

---------

Co-authored-by: Mike Goldsmth <[email protected]>

Author: BatmanAoD

poetry.lock

@@ -21,10 +21,10 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.7, >= 3.7.2"
-opentelemetry-api = "1.22.0"
-opentelemetry-sdk = "1.22.0"
-opentelemetry-exporter-otlp = "1.22.0"
-opentelemetry-instrumentation = "0.43b0"
+opentelemetry-api = "^1.22.0"
+opentelemetry-sdk = "^1.22.0"
+opentelemetry-exporter-otlp = "^1.22.0"
+opentelemetry-instrumentation = "~0.43b0"
 
 [tool.poetry.group.dev.dependencies]
 coverage = ">=6.5,<8.0"