Update to latest version (from 1.0.0) (#4361)

Not sure how frequently we want to update the docs like this, but it seemed that quite some time had passed.

docs/manual-instrumentation.md

@@ -28,12 +28,12 @@ use the `@WithSpan` annotation, also include the `opentelemetry-extension-annota
     <dependency>
       <groupId>io.opentelemetry</groupId>
       <artifactId>opentelemetry-api</artifactId>
-      <version>1.0.0</version>
+      <version>1.7.0</version>
     </dependency>
     <dependency>
       <groupId>io.opentelemetry</groupId>
       <artifactId>opentelemetry-extension-annotations</artifactId>
-      <version>1.0.0</version>
+      <version>1.7.0</version>
     </dependency>
   </dependencies>
 ```
@@ -42,8 +42,8 @@ use the `@WithSpan` annotation, also include the `opentelemetry-extension-annota
 
 ```groovy
 dependencies {
-    implementation('io.opentelemetry:opentelemetry-api:1.0.0')
-    implementation('io.opentelemetry:opentelemetry-extension-annotations:1.0.0')
+    implementation('io.opentelemetry:opentelemetry-api:1.7.0')
+    implementation('io.opentelemetry:opentelemetry-extension-annotations:1.7.0')
 }
 ```